#!/bin/csh -f
# Copyright (c) 1991 Bell Communications Research, Inc. (Bellcore)
# 
# Permission to use, copy, modify, and distribute this material 
# for any purpose and without fee is hereby granted, provided 
# that the above copyright notice and this permission notice 
# appear in all copies, and that the name of Bellcore not be 
# used in advertising or publicity pertaining to this 
# material without the specific, prior written permission 
# of an authorized representative of Bellcore.  BELLCORE 
# MAKES NO REPRESENTATIONS ABOUT THE ACCURACY OR SUITABILITY 
# OF THIS MATERIAL FOR ANY PURPOSE.  IT IS PROVIDED "AS IS", 
# WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES.
#
if (! $?X_VIEWER) then
set X_VIEWER="xloadimage -view -quiet -geometry +1+1"
# set X_VIEWER="xv -geometry +1+1"
endif
if ($1 == "-viewer" && $#argv > 1) then
    set X_VIEWER = $2
    shift
    shift
endif

if (! $?DISPLAY) then
    echo ""
    echo This message contains a picture, which can currently only be
    echo viewed when running X11.  If you read this message while running
    echo X11, and have your DISPLAY variable set, you will then
    echo be able to see the picture properly.
    echo ""
    echo -n "Do you want to write the picture out to a file [y] ? "
    set ANS=$<
    if ("$ANS" =~ n* ||  "$ANS" =~ N* ) exit 0
    echo -n "File name:"
    set fname=$<
    cp $1 $fname
    if ($status == 0) echo Wrote file $fname
    exit 0
endif

echo NOTE:  TO MAKE THE PICTURE WINDOW GO AWAY, JUST TYPE 'q' IN IT.
echo ""
if ($#argv == 0) then
    $X_VIEWER stdin
else
foreach i ($*)
    set dir=$i:h
    if ($dir != $i) then
	# Make the ln sure to work	
	cd $dir
    endif
    ln $i $$.PRESS-q-TO-EXIT 
    $X_VIEWER $$.PRESS-q-TO-EXIT
    rm $$.PRESS-q-TO-EXIT 
endif
